本文件规定了使可访问性设置可访问和可用的要求和建议。它提供了有关特定辅助功能设置、保存设置和修改设置的指导。它指定了如何访问和操作辅助功能设置模式，以及如何直接激活特定的辅助功能。 本文件适用于所有类型信息和通信技术（ICT）上的所有操作系统用户界面，从操作系统功能齐全并等待用户与之交互的角度来看。 本文件不适用于: —？从存储的用户配置文件中存储和检索信息，包括个人识别信息； —？不支持辅助技术访问的封闭功能的可访问性； —？引导模式的可访问性。

This document specifies requirements and recommendations for making accessibility settings accessible and usable. It provides guidance on specific accessibility settings, saving settings and modifying settings. It specifies how to access and operate the accessibility setting mode, and how to directly activate specific accessibility features. This document applies to all operating system user interfaces on all types of information and communications technologies (ICTs) from the point where the operating system is fully functional and waiting for the user to interact with it. This document does not apply to: —？storing and retrieving information from a stored user profile, including personally identifiable information; —？accessibility of the closed functionality that does not support access by assistive technology; —？accessibility of boot mode.